EATON Overload Relay: 3 Poles, 2NO/2NC, 1 A – 5 A Adj Range
SKU 3G-OTH-40329
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Frequently Asked Questions
What is the EATON C440A1A005SDD overload relay used for?
The EATON C440A1A005SDD is a definite purpose electronic overload relay used to protect three-phase motors from overload, phase loss, and current imbalance. It is commonly applied in industrial machinery, pumps, compressors, and HVAC systems where reliable motor protection is critical.
What are the specifications of the EATON C440A1A005SDD overload relay?
The EATON C440A1A005SDD is a 3-pole electronic overload relay with 2NO/2NC auxiliary contacts. It has an adjustable current range of 1 A to 5 A and supports trip classes 10, 20, and 30. It is designed for definite purpose motor protection in industrial control panels.
Where to buy the EATON C440A1A005SDD overload relay worldwide?
3G Electric supplies the EATON C440A1A005SDD overload relay to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this EATON motor protection component.
How to select the correct trip class for the EATON C440A1A005SDD overload relay?
Select trip class based on motor starting characteristics: Class 10 for fast-starting loads like pumps, Class 20 for general-purpose motors, and Class 30 for high-inertia loads such as fans or crushers. The EATON C440A1A005SDD allows field selection among 10, 20, and 30 to match your application.
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Common applications for EATONEATON Products
3G Electric supplies EATON definite purpose electronic overload relays. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.










